<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="文章标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入文章标题"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['blog:post:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['blog:post:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['blog:post:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['blog:post:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="postList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键" align="center" prop="id" />
      <el-table-column label="文章标题" align="center" prop="title" />
      <el-table-column label="文章摘要" align="center" prop="abstract" />
      <el-table-column label="文章附件路径" align="center" prop="path" />
      <el-table-column label="草稿/发布" align="center" prop="status" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['blog:post:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['blog:post:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改post对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="postRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入文章标题" />
        </el-form-item>
        <el-form-item label="摘要" prop="abstract">
          <el-input v-model="form.abstract" placeholder="请输入文章摘要" />
        </el-form-item>

        <el-form-item label="上传">
          <el-upload
              ref="uploadRef"
              :limit="1"
              accept=".md"
              :action="upload.url"
              :headers="upload.headers"
              :file-list="upload.fileList"
              :on-progress="handleFileUploadProgress"
              :on-success="handleFileSuccess"
              :auto-upload="false">
<!--            <el-button slot="trigger" size="small" type="primary">选取文件</el-button>-->
<!--            <el-button style="margin-left: 10px;" size="small" type="success" :loading="upload.isUploading" @click="submitUpload">上传到服务器</el-button>-->
<!--            <div slot="tip" class="el-upload__tip">只能上传markdown文件，且不超过10MB</div>-->
            <template #trigger>
              <el-button size="small" type="primary">选取文件</el-button>
            </template>
            <el-button style="margin-left: 10px;" size="small" type="success" :loading="upload.isUploading" @click="submitUpload">上传到服务器</el-button>
            <div slot="tip" class="el-upload__tip">只能上传markdown文件，且不超过10MB</div>


          </el-upload>
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>

    </el-dialog>


  </div>
</template>

<script setup name="Post">
import { listPost, getPost, delPost, addPost, updatePost } from "@/api/blog/post";
import { getToken } from "@/utils/auth";

const { proxy } = getCurrentInstance();

const postList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const uploadFileUrl = ref(import.meta.env.VITE_APP_BASE_API + "/common/uploadMinio"); // 上传文件服务器地址

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    title: null,
    abstract: null,
    path: null,
    status: null,
  },
  // 上传参数
  upload: {
    // 是否禁用上传
    isUploading: false,
    // 设置上传的请求头部
    headers: { Authorization: "Bearer " + getToken() },
    // 上传的地址
    url: uploadFileUrl,
    // 上传的文件列表
    fileList: []
  },
  rules: {
    title: [
      { required: true, message: "文章标题不能为空", trigger: "blur" }
    ],
    abstract: [
      { required: true, message: "文章摘要不能为空", trigger: "blur" }
    ],
    path: [
      { required: true, message: "文章附件路径不能为空", trigger: "blur" }
    ],
    createTime: [
      { required: true, message: "创建时间不能为空", trigger: "blur" }
    ],
    updateTime: [
      { required: true, message: "更新时间不能为空", trigger: "blur" }
    ],
    status: [
      { required: true, message: "草稿/发布不能为空", trigger: "change" }
    ]
  }
});

const { queryParams, form, upload, rules } = toRefs(data);

/** 查询post列表 */
function getList() {
  loading.value = true;
  listPost(queryParams.value).then(response => {
    postList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    title: null,
    abstract: null,
    path: null,
    createTime: null,
    updateTime: null,
    status: null
  };
  proxy.resetForm("postRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "发表新文章";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getPost(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改post";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["postRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updatePost(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        console.log(form.value);
        addPost(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除post编号为"' + _ids + '"的数据项？').then(function() {
    return delPost(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('blog/post/export', {
    ...queryParams.value
  }, `post_${new Date().getTime()}.xlsx`)
}

// 文件提交处理
function submitUpload() {
  proxy.$refs.uploadRef.submit();
}

// 文件上传中处理
function handleFileUploadProgress(event, file, fileList) {
  upload.isUploading = true;
}

// 文件上传成功处理
function handleFileSuccess(response, file, fileList) {
  upload.isUploading = false;
  form.value.path = response.fileName;
  proxy.$modal.msgSuccess(response.msg);
}
getList();
</script>
